[automerger skipped] DO NOT MERGE: Enable mainline prebuilts for device...

[automerger skipped] DO NOT MERGE: Enable mainline prebuilts for device targets am: 20545fcf am: 62f68a8d -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/23770789



Change-Id: Ice3f22b178786292db1e440b00d75ee268d8a17a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>